.container{
  height: 100vh;
  background-color: rgb(0,2,19);
  display: flex;
  justify-content: center;
  align-items: center;
}
.container .rocket{
  position: relative;
  animation: rocketmove 0.2s linear infinite alternate;
}
@keyframes rocketmove{
  from{
    transform: translateY(-2px);
  }
  to{
    transform: translateY(2px);
  }
}
.container .rocket::after{
  content: '';
  width: 10px;
  height: 150px;
  background: linear-gradient(rgb(40,158,194),transparent);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 102px;
}
.container i{
  background: #fff;
  width: 1px;
  height: 20px;
  position: absolute;
  left: 20px;
  top:20px;
  animation: line 2s linear infinite;
}
@keyframes line {
  from{
    transform: translateY(0);
  }
  to{
    transform: translateY(82vh);
  }
}